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Science-wide author databases of standardized citation indicators

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The science-wide author databases of standardized citation indicators is a multidimensional ranking of the world’s scientists produced since 2015 by a team of researchers led by John P. A. Ioannidis at Stanford. [1][2]

Main

Based on data from Scopus, this indicators explore about 8 million records of scientists’ citations in order to rank a subset of 200,000 most-cited authors across all scientific fields. This is commonly referred to as Stanford ranking of the 2% best scientists. [3]


The ranking is achieved via a composite indicator built on six citation metrics

  • Coauthorship-adjusted Schreiber hm-index;
  • The number of citations to papers as a single author;
  • The number of citations to papers as single or first author;
  • The number of citations to papers as single, first, or last author.

Data

Data (about 200,000 records) are freely downloadable from Elsevier through the International Center for the Study of Research (ICSR) Lab.[2][4]

Output

The index classifies researchers into 22 scientific fields and 174 sub-fields.Different rankings are produced: career-long and most recent year, with and without self-citations. This results in four different configurations. The difference between this ranking and the pure h-index is that it is sensitive to details of co-authorship and author positions: configurations such as single, first, and last author are given more emphasis.

See also

References

  1. ^ Ioannidis, J. P. A., Klavans, R., & Boyack, K. W. (2016). Multiple Citation Indicators and Their Composite across Scientific Disciplines. PLOS Biology, 14(7), e1002501.
  2. ^ a b Ioannidis, J. P. A., Baas, J., Klavans, R., & Boyack, K. W. (2019). A standardized citation metrics author database annotated for scientific field. PLOS Biology, 17(8), e3000384.
  3. ^ Ioannidis, J. P. A., Boyack, K. W., & Baas, J. (2020). Updated science-wide author databases of standardized citation indicators. PLOS Biology, 18(10), e3000918.
  4. ^ Ioannidis, J. P. A. (2022, October 10). September 2022 data-update for Updated science-wide author databases of standardized citation indicators. Retrieved November 17, 2022, from https://elsevier.digitalcommonsdata.com/.
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